Local Calling Guide

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NPA: 443 [Rate centres in NPA 443] [Dial plan for NPA 443]

NXX: 770

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-770 A Armiger-Gibson Island MD ARMGMDARDS0  9212 VERIZON MARYLAND, INC. 238      
443-770 0 Armiger-Gibson Island MD ARMGMDARDS0  9212 VERIZON MARYLAND, INC. 238      
443-770 1 Armiger-Gibson Island MD CLMAMDJTAMD  2589 US LEC OF MARYLAND, INC. 238   2004-01-10   
443-770 2 Armiger-Gibson Island MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2011-06-02   
443-770 3 Armiger-Gibson Island MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2011-06-02   
443-770 4 Armiger-Gibson Island MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2013-10-11   
443-770 5 Armiger-Gibson Island MD ARMGMDARDS0  9212 VERIZON MARYLAND, INC. 238   2005-12-14   
443-770 6 Armiger-Gibson Island MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2014-09-05   
443-770 7 Armiger-Gibson Island MD BLTMMDDN2MD  508J CENTURYLINK COMMUNICATIONS, LLC 238   2014-06-25   
443-770 8 Armiger-Gibson Island MD ARMGMDARDS0  9212 VERIZON MARYLAND, INC. 238      
443-770 9 Armiger-Gibson Island MD ARMGMDARDS0  9212 VERIZON MARYLAND, INC. 238      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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